Journal of Chromatography A 2000-02-11

Determination of imidacloprid and its metabolite 6-chloronicotinic acid in greenhouse air by high-performance liquid chromatography with diode-array detection.

A Garrido Frenich, F J Egea González, J L Martínez Vidal, P Parrilla Vázquez, M Mateu Sánchez

Index: J. Chromatogr. A. 869(1-2) , 497-504, (2000)

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Abstract

A method is described for analysing and sampling imidacloprid and its metabolite 6-chloronicotinic acid in greenhouse air by high-performance liquid chromatography (HPLC) with diode-array detection (DAD). The trapping efficiency of two solid sorbents, Amberlite XAD-2 and Amberlite XAD-4 and the use of different desorption procedures have been tested. To validate the methodology, standard atmospheres containing known concentrations of these pesticides and with different relative humidities were generated. No breakthrough was observed in the range of concentrations studied. Dissipation of analytes was investigated in a 24 h period after application by using personal samplers in a field experiment.

Related Compounds

  • amberlite(r) xad-1...
  • 6-Chloronicotinic...

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